Quote from Gary in the episode Spoiler: Zack's in This One
Stuart: So, wait, you know that she's unhappy and you're fine with it? Gary: She's only unhappy when she's sober, and that's not very often. Denise: No, no, I have a little problem with the... [clicks tongue] ...so... [chuckles] Stuart: [chuckles nervously] Mm-hmm. Okay. What kind of crazy upside-down world is this? Denise, you have the right to be happy! [raises voice] There's no reason to stay with somebody that makes you mis-- [Stuart groans as he is zapped, causing him to fall out of the chair and writhe about on the floor in pain] Gary: Yeah. [Stuart babbling] Rum and Coke? Denise: Diet Coke, please. Gary: Coming up.